Olivia Hayes is a dedicated health writer for the WHO blog, where she focuses on delivering clear, accurate, and impactful information to global audiences. With a passion for public health communication, she specializes in breaking down complex medical research and wellness topics into reader-friendly content that supports informed decision-making. Olivia’s writing spans areas such as disease prevention, nutrition, mental health, global health challenges, and emerging medical trends, always grounded in evidence-based knowledge. Her goal is to help individuals and communities better understand the issues that influence their well-being and empower them with practical, trustworthy guidance.

Having collaborated with health professionals, researchers, and public health advocates, Olivia brings a balanced perspective to her work—combining scientific credibility with an accessible narrative style. She believes that strong health literacy is essential for building healthier societies and uses her platform to promote awareness, encourage preventive care, and highlight actionable steps readers can take toward improving their lives.